<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
<style type="text/css">

#b1 {vertical-align:middle}
*{margin:0;padding:0;}
.layer1{width:100%;height:100px;background-img:http://img2.niutuku.com/desk/1212/2251/2251-ntk36676.jpg;}
    .layer1-1{width:50%;height:100px;float:left;font-size:50pt;text-align:center;}
    .layer1-2{width:50%;height:100px;float:left;font-size:15pt;text-align:center;line-height:100px;}
    .layer1-3{clear:both;}
.layer2{width:100%;height:300px;}
    .layer2-1{width:100%;height:150px;background:gold;}
    .layer2-2{width:100%;height:150px;}
    .layer2-2-1{width:32%;height:140px;background:lightcyan;float:left; padding:0; margin:5px ;line-height:40px; border:1px solid #f00}
           .layer2-2-1-1{width:100%;height:40px;background:cyan;text-align:center;}
           .layer2-2-2{width:32%;height:140px;background:wheat;float:left; padding:0; margin:5px ;line-height:40px; border:1px solid #f00}
           .layer2-2-2-1{width:100%;height:40px;background:cyan;text-align:center;}
    .layer2-2-3{width:32%;height:140px;background:pink;float:left; line-height:40px; padding:0; margin:5px ; border:1px solid}
          .layer2-2-3-1{width:100%;height:40px;background:cyan;text-align:center;}

   .layer2-2-4{clear:both;}

.layer3{width:100%;height:50px;background:green;text-align:center;}
@media screen and (max-width: 900px){
            .layer2-1{
                width: 100%;
            }
	   .layer2-2{
                width: 100%;
            }
	   .layer2-3{
                width: 100%;
            }
	   .layer2-4{
                width: 100%;
            }
</style>
</head>
<boby>
<div class="layer1">
<div class="layer1-1">Colaso</div>
<div class="layer1-2">公司简介 主营业务 爆款产品 财务融资 联系我们</div>
<div class="layer1-3"></div>
</div>
<div class="layer2">
<div class="layer2-1">
<img id="b1" border="0" src="http://img.mp.itc.cn/upload/20160823/a6f4321a75ca49ea8696b6f57aaeb7fd_th.jpeg"height="150">
<img id="b1" border="0" src="http://img2.niutuku.com/desk/1212/2251/2251-ntk36676.jpg"height="150">
<img id="b1" border="0" src="http://img0.pclady.com.cn/pclady/1610/28/1609490_35.jpg"height="150">
<img id="b1" border="0" src="http://img10.360buyimg.com/imgzone/jfs/t1864/364/793808191/104788/48bb243d/562b2998N4238fe54.jpg"height="100" />
</div>
<div class="layer2-2">
<div class="layer2-2-1"><div class="layer2-2-1-1">主营业务1</div></div>

<div class="layer2-2-2"><div class="layer2-2-2-1">主营业务2</div></div>

<div class="layer2-2-3"><div class="layer2-2-3-1">主营业务3</div></div>

<div class="layer2-2-4"></div>  
<div class="clear"></div>   
</div>
</div>
<div class="layer3">   服务导航</div>

</boby>
</html>
